Eur. Phys. J. Appl. Phys.
Volume 35, Number 2, August 2006
|Page(s)||131 - 134|
|Section||Magnetism and Superconductivity|
|Published online||13 July 2006|
A model for achieving 1 terabit/sq.in. storage density by heat-assisted magnetic probe recording
Department of Applied Physics, University of Electronic Science and
Technology of China, Chengdu 610054, P.R. China
Corresponding author: firstname.lastname@example.org
Revised: 18 February 2006
Accepted: 21 April 2006
Published online: 13 July 2006
A method of heat-assisted magnetic recording (HAMR) is characterized. The recording medium is a high coercitivity, granular and perpendicular CoNi/Pt multilayered film. Emission current from a scanning tunneling microscope (STM) is the heating source. Experiments show that an average mark size of 90–120 nm is achieved. A model for achieving 1 terabit/sq.in. recording density (or a mark size of 25 nm) is proposed to guide future effort.
PACS: 75.50.Ss – Magnetic recording materials / 85.70.-w – Magnetic devices / 07.79.-v – Scanning probe microscopes and components
© EDP Sciences, 2006
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